218447740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 542513664

約数和(自身を除く): 324065924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 131, 140, 172, 215, 262, 277, 301, 430, 524, 554, 602, 655, 860, 917, 1108, 1204, 1310, 1385, 1505, 1834, 1939, 2620, 2770, 3010, 3668, 3878, 4585, 5540, 5633, 6020, 7756, 9170, 9695, 11266, 11911, 18340, 19390, 22532, 23822, 28165, 36287, 38780, 39431, 47644, 56330, 59555, 72574, 78862, 83377, 112660, 119110, 145148, 157724, 166754, 181435, 197155, 238220, 254009, 333508, 362870, 394310, 416885, 508018, 725740, 788620, 833770, 1016036, 1270045, 1560341, 1667540, 2540090, 3120682, 5080180, 6241364, 7801705, 10922387, 15603410, 21844774, 31206820, 43689548, 54611935, 109223870, 218447740]

約数ペア:

[(1, 218447740), (2, 109223870), (4, 54611935), (5, 43689548), (7, 31206820), (10, 21844774), (14, 15603410), (20, 10922387), (28, 7801705), (35, 6241364), (43, 5080180), (70, 3120682), (86, 2540090), (131, 1667540), (140, 1560341), (172, 1270045), (215, 1016036), (262, 833770), (277, 788620), (301, 725740), (430, 508018), (524, 416885), (554, 394310), (602, 362870), (655, 333508), (860, 254009), (917, 238220), (1108, 197155), (1204, 181435), (1310, 166754), (1385, 157724), (1505, 145148), (1834, 119110), (1939, 112660), (2620, 83377), (2770, 78862), (3010, 72574), (3668, 59555), (3878, 56330), (4585, 47644), (5540, 39431), (5633, 38780), (6020, 36287), (7756, 28165), (9170, 23822), (9695, 22532), (11266, 19390), (11911, 18340)]